Cross-site Scripting (XSS) Affecting microshift-gateway-api-release-info package, versions <0:4.18.57-202610092321.p0.g94a47d0.assembly.4.18.57.el9


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.31% (24th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-RHEL9-MICROSHIFTGATEWAYAPIRELEASEINFO-21006593
  • published16 Oct 2026
  • disclosed13 Aug 2026

Introduced: 13 Aug 2026

CVE-2026-56858  (opens in a new tab)
CWE-79  (opens in a new tab)

How to fix?

Upgrade RHEL:9 microshift-gateway-api-release-info to version 0:4.18.57-202610092321.p0.g94a47d0.assembly.4.18.57.el9 or higher.
This issue was patched in RHSA-2026:80167.

NVD Description

Note: Versions mentioned in the description apply only to the upstream microshift-gateway-api-release-info package and not the microshift-gateway-api-release-info package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

Previously, pathological inputs could close an unescaped '/' early, allowing for attack-controlled data to inject arbitrary content, potentially leading to XSS.

CVSS Base Scores

version 3.1